A real-time underwater object detection algorithm for multi-beam forward looking sonar

Enric Galceran, Vladimir Djapic, Marc Carreras, David P. Williams

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    64 Scopus citations

    Abstract

    A novel algorithm for the detection of underwater man-made objects in forward-looking sonar imagery is proposed. The algorithm takes advantage of the integral-image representation to quickly compute features, and progressively reduces the computational load by working on smaller portions of the image along the detection process phases. By adhering to the proposed scheme, real-time detection on sonar data onboard an autonomous vehicle is made possible. The proposed method does not require training data, as it dynamically takes into account environmental characteristics of the sensed sonar data. The proposed approach has been implemented and integrated into the software system of the Gemellina autonomous surface vehicle, and is able to run in real time. The validity of the proposed approach is demonstrated on real experiments carried out at sea with the Gemellina autonomous surface vehicle.

    Original languageEnglish (US)
    Title of host publicationIFAC Workshop on Navigation, Guidance and Control of Underwater Vehicles, NGCUV 2012
    PublisherIFAC Secretariat
    Pages306-311
    Number of pages6
    EditionPART 1
    ISBN (Print)9783902823199
    DOIs
    StatePublished - 2012
    Event3rd IFAC Workshop on Navigation, Guidance and Control of Underwater Vehicles, NGCUV 2012 - Porto, Portugal
    Duration: Apr 10 2012Apr 12 2012

    Publication series

    NameIFAC Proceedings Volumes (IFAC-PapersOnline)
    NumberPART 1
    Volume3
    ISSN (Print)1474-6670

    Conference

    Conference3rd IFAC Workshop on Navigation, Guidance and Control of Underwater Vehicles, NGCUV 2012
    Country/TerritoryPortugal
    CityPorto
    Period4/10/124/12/12

    All Science Journal Classification (ASJC) codes

    • Control and Systems Engineering

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